Bio S

Nitrifying bacteria to boost maturation. Contains specially selected bacterial strains.

Available packages:

Description

Fast and effective elimination of ammonia and nitrogen compounds

A specialized formula created for the quick and effective elimination of ammonia and nitrogen compounds from the aquarium. Bio S contains specially selected bacterial strains that create a perfect environment for replication of Nitrospirae and Nitrobacteraceae bacteria which are responsible for the nitrogen cycle.

Accelerate the nitrification process

In the nitrification process, bacteria remove compounds, such as ammonia and nitrite from the water. Bio S is recommended especially in the first days after setting up a new aquarium to start and accelerate the nitrification process. Bio S is also perfect for settling up filtration media in newly established aquariums. In matured aquariums, it accelerates the decomposition of food residues, as well as other organic compounds and sediments. It improves clarity of water and promotes cleaning the substrate. Bio S can also be used in tanks with probiotic bacteria based filtration systems.

Improve water clarity

Dosage: 1 drop per 100 l of water every day for the first 2 weeks. In the functioning aquariums, Bio S should be used after water changes. Shake before use.

Additional information

Size

10 ml, 50 ml

Where to buy

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Description

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Bio S on the blog

June 18, 2025

Nitrifying bacteria in aquariums: powering the nitrogen cycle as the key to a healthy tank

Whether you’re a beginner or a seasoned aquarist, you’ve likely heard about nitrifying bacteria. These tiny organisms are the unsung heroes of a thriving aquarium, keeping the water safe for your fish and plants. In this article, we’ll break down what nitrifying bacteria are, how they work, why they’re so important, and how to create […]

May 29, 2025

I started a new tank using AF Rock. What Aquaforest products should I use to kickstart the cycle? I had success before and want to stick with Aquaforest.

AF Rock tank startup works best when paired with a full Aquaforest approach. From day one, we recommend using: AF Bio Sand, Life Bio Fil, AF Life Source, and Bio S. These products are designed to complement each other and significantly accelerate the maturation process. Many aquarists have reported faster and more stable cycling when […]

March 28, 2025

Aquaforest catalog EN